✦ LIBER ✦
Asymmetric diels - alder reacrions with α-chloronitroso compounds- II. The use of a carbohydrate derived α-chloro-α-nitroso ether
✍ Scribed by H. Felber; G Kresze; H. Braun; A. Vasella
- Publisher
- Elsevier Science
- Year
- 1984
- Tongue
- French
- Weight
- 118 KB
- Volume
- 25
- Category
- Article
- ISSN
- 0040-4039
No coin nor oath required. For personal study only.
✦ Synopsis
The Diels-Alder reaction of 1,3-cyclohexadiene with the a-chloro-a-nitroso ether 2, prepared from mannose via the lactone oxime 1, gives the adduct 3 with l-(S),4-(R) configuration in 69 % chemical yield and z 95 % enantiome& excess.